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What do groynes do? Difference between attracting and repelling groynes, permeable and impermeable groynes.

Groynes & Spurs These are a hydraulic structure constructed transeverse to the direction of river flow and extend from the bank of the river to the width of river upto a certain limit. These are also called spurs. Groynes are suitable in guiding the river flow,promoting scour, depositing of sediment where desired and traping the sediment load to build up new river banks. spurs are suitable and hence more widely used in river training structures. Functions of groynes: You may be wondering that what do groynes do? How they work? And many more questions might be striking your mind. Here i will give you all your answers. These are used for training a river along a desired course by attracting,deflecting or repelling the flow in the river channel. Protection of river bank is done with the help of groynes by keeping the flow of water away from the bank. These are used to silt up the area in the vicinty of the spur by creating a slack flow. These are used to contract the w

Real L&T bis interview questions

I have appeared for l&t bis interview XXIII 2020 batch. I am going to share my interview experience with you. It was an online interview. I joined the interview with a link sent to my email. I was waiting for the persons to join, after waiting for half an hour they suddenly appeared and then the interview starts. Questions: 1. Introduce yourself. Ans : i said my name, my place, my degree and college, i said about my fathers occupation and mothers occupation then hobbies and then my goal. 2.Do you something about steel structure? Ans : yes 3. Tell me the basic difference between plate girders and gantry girders. Ans: plate girders :they are large beams which are used to transfer the transverse loads to the piers. They are used in bridges and flyovers. Gantry girder: These are also a type of beam, which are used to carry the heavy moving load of crane. The basic difference is that plate girder carry transverse heavy load only but gantry girder is subjected to both transverse for

Name two multicellular organisms

Multicellular Organisms which have 2 or more cells are called multicellular organisms. Eg. Cat, dog, human beings, birds etc. Multicellular organisms reproduce more rapidly and form similar new cells. Unicellular organisms have only basic functions to do like breathing, eating and reproduction. Unicellular organisms are primitive in nature. Multicellular organisms have different types of cells to perform different functions. Multicellular organisms have immunity against Dieases. Multicellular organisms activities. Thanks for reading.

Highway materials & Construction

HIGHWAY MATERIAL & CONSTRUCTION Index: A. Highway Material Test for road aggregate Test for bitumen Marshall mix design B. Symptoms and cause of defects C. Pavement construction I will be discussing all the above topic clearly one by one so stay calm and enjoy the article. Test on road aggregate 1. Crushing Test ( For strength) Specification : Size of aggregate :10 to 12 mm No. of layers : 3 Rate of loading : 4 ton/min Time of loading :10min Sieve size for sieving crushed aggregate : 2.36mm Now, Aggregate Crushing value (ACV) : W2/W1 *100 W2= Weight of aggregate passing 2.36 mm sieve W1= Total Weight of aggregate As per IRC, ACV should not be greater than 30% for surface course ACV should be greater than 45% for base course 2. Impact test (For toughness) Specification : Size of aggregate :10 to 12mm Height of fall: 38cm Weight of hammer : 13.5 - 14.5kg No. Of blows: 15 Sieve size: 2.36mm Aggregate Impact Value (AIV) : W2/W1 *100 W2: Weight of aggregate passing 2.36

Compaction of soil, test for compaction & Factors affecting compaction

Hello my friends, welcome to iconicccivil. I being a civil engineer pass my knowledge to you and the society. Have a look on the process of Compaction in depth through this article. :COMPACTION: Compaction of soil is the process of increasing the unit weight of soil due to decrease in volume of air, volume of void hence volume of soil by forcing soil solids into denser state. It is done by mechanical means in order to decrease void ratio, permeability etc. and to increase denseness, unit weight, bearing capacity of soil etc. Compaction can be achieved by use of ROLLERS, RAMMERS and VIBERATORS etc. It is instantaneous process in which soil is always unsaturated( partially saturated) & dry. Compaction of soil is represented in terms of dry Unit Weight of soil(Yd). More the dry Unit Weight, denser will be the soil. :COMPACTION CHARACTERISTICS OF SOIL CAN BE ANALYSED IN LABORATORY BY PERFORMING THE FOLLOWING TEST: 1. STANDARD PROCTOR TEST: This test consists of standard cylindric

10.Importance of time management and ways to achieve goals through time management.

It is one of the most important skill that everyone should know . Some people make it useful while other simply waste it. Importance of time management and ways to achieve goals through time management. Today i will make you feel the importance of time and its management. Time managment varies from person to person.Like some people like better to make a timetable for there dailyroutine to handle the time and a few people like better to believe executing the task as soon as they think of it. I personally feel that the second method works a far better way on behalf of me because once I consider some work to try ,i feel i should complete it as early as possible,this way you complete your task and there's ample time left for an additional work. Time managment necessarily doesnt mean making a dailyroutine,as long as you're proud of the work you're doing without wasting it ,you are good,but once you feel that you are just wasting time over thinking about your work and fails

SOIL STRUCTURE, DIFFERENCE BETWEEN SILT AND CLAY

Difference between silt and clay: Dispersion Test: Take a spoon of oven dried soil sample and mix in the glass of water. The soil settles early is silt and soil which takes more time is clay. Because : Size of silt is more than clay. Dilatency Test: Take a moist/wet sampe of soil and placed it over palm, if upon remoulding moisture appears over the surface of soil, it is silt otherwise clay. Because : Moisture holding capacity of clay is more than silt, because voids of clay are very small but huge in number. Toughness Test: Prepare threads of 3mm dia. And rolled between palms, if cracks appears over the surface of the soil thread then soil is silt else clay. Because : Plasticity of clay is more than silt. Also shear strength of clay is more than silt. SOIL STRUCTURE So

How to calculate the return period of a flood?

Question: A residential area located near the Neebing River in Thunder Bay used to be flooded in 5 of the 20 years before the Thunder Bay Floodway became operational in 1983. What is the return period of this flood? What is the probability that the residential area will not be flooded next year? What is the probability that the residential area will be flooded at least once in the next 3 years? Answer: Return period of the flood is 4 years. Since it occurs 5 years in every 20 years. Return period is denoted by 'T' T = 4 Now , probability of the flood ,p = 1/T = 1/5 = 0.25 Now, probability that the residential area will not be flooded in the next year = q q = 1- p = 1-0.25 = 0.75 Again, the probability that the residential area will be flooded at least once in next 3 years = 1 - q^3 = 1 - 0.75 ^3 = 0.578 Hope you like the post.

What can really motivate you?

I know that getting motivated is easy but keeping the strength of motivation throughout is not a piece of cake. So i want to give you a feeling to being really motivated. I will tell you a short story. The story begins with the preparation of gate exam. Let me tell you in brief about gate exam. It is one of the toughest and prestigious exam of India. Through gate you can get a job in various multinational companies in India, gate exam is also a gateway of entry into India's prestigious institute i.e. IITs and NITs. So i enrolled myself into the madeeasy classroom course for gate 2020. My economical condition was worst. My father gave me all their saving so that i could enroll in the program. The amount was huge for a lower class family.In the month of March 2019 i paid 90,000 and joined the classroom course. Now starts my preparation phase, in the beginning i was very curious and enjoying my study, asked many doubts which had come to my mind. And also the faculty was very help

6 highly followed tips to improve your concentration instantly

I AM HERE TO SHARE WITH YOU MY PERSONAL EXPERIENCE. HERE IS HOW I IMPROVED MY CONCENTRATION THROUGH PRACTICE. 1. STAY HEALTHY: There is a famous saying " sound minds in a sound body".this means in order to achieve something in your life and also to stay happy ,you need a good health. Only a healthy body can help you concentrate on your studies.So eat healthy and stay fit. 2. TIME MANAGEMENT : Divide your everyday time to a proper schedule.Sleep is very important for your body,but it should be properly guided,it does not means sleep during day also.Sleep only at night and must try to sleep early by 11 pm. and wake up early at 5 am. I know that some of you might find it uncomfortable but believe me it will become a habit soon. There is lot of benefit of waking up early . 3. Physical exercise or workout : This is necessary because it increases blood frequency flow into your brain cells. Due to exercise you stamina also increase which helps you to study longer without getti

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